CY7B991V
3.3V RoboClock
®
Switching Characteristics
–
7 Option
Over the Operating Range
Parameter
f
NOM
Operating Clock
Frequency in MHz
Description
FS = LOW
FS = MID
FS = HIGH
t
RPWH
t
RPWL
t
U
t
SKEWPR
t
SKEW0
t
SKEW1
t
SKEW2
t
SKEW3
t
SKEW4
t
DEV
t
PD
t
ODCV
t
PWH
t
PWL
t
ORISE
t
OFALL
t
LOCK
t
JR
REF Pulse Width HIGH
REF Pulse Width LOW
Programmable Skew Unit
Zero Output Matched Pair Skew (XQ0,
Zero Output Skew (All Outputs)
CY7B991V–7
Min
15
25
40
5.0
5.0
See
Typ
Max
30
50
80
Unit
MHz
ns
ns
0.1
0.3
0.6
1.0
0.7
1.2
0.25
0.75
1.0
1.5
1.2
1.7
1.65
+0.7
+1.2
3
3.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ps
ps
XQ1)
Output Skew (Rise-Rise, Fall-Fall, Same Class Outputs)
Output Skew (Rise-Fall, Nominal-Inverted, Divided-Divided)
Output Skew (Rise-Rise, Fall-Fall, Different Class Outputs)
Output Skew (Rise-Fall, Nominal-Divided, Divided-Inverted)
Device-to-Device
Skew
–0.7
–1.2
Propagation Delay, REF Rise to FB Rise
Output Duty Cycle
Variation
Output HIGH Time Deviation from 50%
Output LOW Time Deviation from 50%
Output Rise Time
Output Fall Time
PLL Lock
Time
RMS
Peak-to-Peak
Cycle-to-Cycle Output
Jitter
0.15
0.15
0.0
0.0
1.5
1.5
2.5
2.5
0.5
25
200
Document Number: 38-07141 Rev. *C
Page 12 of 14
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